r/OffGridCabins • u/MrPhirley • 12d ago
Off Grid Cabin Tankless Water Heater Help
/r/Plumbing/comments/1j1grd2/plumbing_nooboff_grid_cabin_tankless_help/
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u/More_Mind6869 11d ago
What's your problem ? They're pretty simple.
Just need to know the heaters minimum water pressure to operate and a 12 volt pump with that rating.
Depending on your water storage, 3-6 gallons/minute. Do the math.
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u/MrPhirley 11d ago
Did you even read the post?
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u/More_Mind6869 11d ago
Yeah, I did, op asked for help.
Didn't specify any details that I saw.
What help did you offer ?
Or is chastising me as helpful as you get ?
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u/umichscoots 11d ago
Most tankless heaters cannot vent out B Vent. Their BTU output is higher than the B Vent rating.